An object of class EBS
Returns the slot Variance of an object of class EBS
If model is Gaussian homoscedastic, the value of the variance used for the analysis.
Rigaill, Lebarbier & Robin (2012): Exact posterior distributions over the segmentation space and model selection for multiple change-point detection problems Statistics and Computing
Cleynen & Robin (2014): Comparing change-point location in independent series Statistics and Computing